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AysviL [449]
3 years ago
15

Match the name of the following polyatomic ions to the correct symbol

Chemistry
1 answer:
kondaur [170]3 years ago
5 0
Ammonium nitrate phosphate hydroxide (in order)
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A 1 L container originally holds 0.4 mol of N2, 0.1 mol of O2, and 0.08 mole of NO. If the volume of the container holding the e
julsineya [31]

Answer:

a)  N_2=0.8mol/L

b)  O_2=0.2mol/L

c)  NO=0.16mol/L

Explanation:

From the question we are told that:

Moles 0f Nitrogen N_2=0.4

Moles 0f Oxygen O_2=0.1

Volume Decrease V_2=0.5L

Generally, the equation for Concentration is mathematically given by

C=\frac{moles}{V}

For Nitrogen

N_2=\frac{0.4}{0.5}

N_2=0.8mol/L

For Oxygen

O_2=\frac{0.1}{0.5}

O_2=0.2mol/L

For Nitrogen

NO=\frac{0.08}{0.5}

NO=0.16mol/L

3 0
3 years ago
Mass is constant regardless of an object’s location, but the weight of the object depends upon
IRISSAK [1]
 <span>It </span>depends on<span> the "</span>mass<span>" of an </span>object<span> and the strength of gravity where ... Just remember that </span>mass is constant<span>, and </span>weight<span> is a force that varies</span>
7 0
3 years ago
Wat happens when water is added to a sand-salt mixture ?
aalyn [17]

Answer:

salt will dislove sand wont

Explanation:

3 0
3 years ago
What is the specific activity (in Bq/g) if 8.58 mg of an isotope emits 7.4x10⁴ α particles per minute?
Monica [59]

Specific activity is the activity per unit mass of a radionuclide and is a physical property of that radionuclide. Activity is a quantity (for which the SI unit is the becquerel) related to radioactivity, and is defined as the number of radioactive transformations per second that occur in a particular radionuclide.

<h3>How do you find the specific activity of an isotopes?</h3>

  •       Activity = λN.
  •       = (0.693/8 days) x (1/86,400 sec/day) x (3 x 1017 atoms)
  •       = 3 x 1011 atoms/sec I-131.
  •       = 3 x 1011 dps I-131.

<h3>What is the specific activity of Co 60?</h3>

The average specific activity of 60Co in continental aquatic sediments is in the region of 1 Bq. kg-1 dry weight (Eyrolle et al., 2008). Cobalt distribution in the abiotic compartments of continental aquatic systems is characterised by the strong affinity of the element for sediment.

Learn more about specific activity of isotopes here:

<h3>brainly.com/question/364529</h3><h3 /><h3>#SPJ4</h3>

6 0
2 years ago
Consider the reaction A ⟶Products
shtirl [24]

The reaction is zero order in [A].

Doubling [A] from 0.10 mol·L⁻¹ to 0.20 mol·L⁻¹ has no effect on the initial rate.

3 0
3 years ago
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